first commit

frontend/node_modules/rc-menu/lib/hooks/useMemoCallback.js

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+"use strict";
+
+var _typeof = require("@babel/runtime/helpers/typeof");
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = useMemoCallback;
+var React = _interopRequireWildcard(require("react"));
+function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
+function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
+/**
+ * Cache callback function that always return same ref instead.
+ * This is used for context optimization.
+ */
+function useMemoCallback(func) {
+  var funRef = React.useRef(func);
+  funRef.current = func;
+  var callback = React.useCallback(function () {
+    var _funRef$current;
+    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
+    return (_funRef$current = funRef.current) === null || _funRef$current === void 0 ? void 0 : _funRef$current.call.apply(_funRef$current, [funRef].concat(args));
+  }, []);
+  return func ? callback : undefined;
+}